> Further in the future, I think the earth will have only one race. That would solve a lot of problems, but it will take a bunch of generations before we all reach the same shade of tan.
> Howard

I was thinking about that recently, and I ended up deciding that if everyone *does* end up the same race, people will just take up the next most distinguishing factor for their "us vs. them" discrimination (where I use this last word only in the sense of dividing into groups).